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Hi,
Can any one help me in impact analysis. Can i perform impact in Optistruct by transient load? Which would be best solver for impact problems.
Hi Karthic,
An initial objective in our analysis of any drop, impact or crash scenario is to assess what level of physical simulation we have to use. The first choice we have to make when considering the simulation technique is whether to use an implicit or explicit solution. Normally impact or crash analysis cases will require an explicit solution which has complex contact behaviors, strain rate effects and component failure are all very much explicit cases. RADIOSS is the leading structural analysis solver for highly non-linear problems under dynamic loadings which is used across all industries worldwide to improve the crashworthiness, safety, and manufacturability of structural designs.
There are many webinars and tutorials available on RADIOSS. You can download a free e book on RADIOSS from http://www.altairuniversity.com/free-ebooks-2/free-ebook-crash-analysis-with-radioss-a-study-guide/ where all theoretical aspects are covered.
Also, you can go through the webinar series at http://www.altairuniversity.com/learning-library/?type=learninglibraryitem&search=radioss+interface&filter_resource_type=&filter_discipline=&filter_language=&filter_source which covers modelling and solving of problems in RADIOSS solver.
Thanks a lot. I need to know the differece between implicit & explicit. Please suggest me any material if
As suggested above, please download our e book on RADIOSS from http://www.altairuniversity.com/free-ebooks-2/free-ebook-crash-analysis-with-radioss-a-study-guide/ where all the theoretical aspects are well covered. Fundamentals of explicit analysis (from page 11 onwards) with typical scenarios are explained in this e book.
Also I strongly recommend you to go through Practical Aspects of Finite Element Simulation e book, which is available at http://www.altairuniversity.com/free-ebooks-2/free-ebook-practical-aspects-of-finite-element-simulation-a-study-guide/. This e book will be a good reference manual for all your CAE applications.
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